DS DS/EN 60404-4/A2
DS DSEN 60404-4A2 2009-JAN-21 Magnetc materals - Part 4 Methods of measurement of dc magnetc propertes of magnetcally soft materals
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Describes the terminology and two measuring methods, namely: the ring method and the permeameter method. Both methods use a test specimen in a closed magnetic circuit. Description of the test equipment and the electric circuits is given.